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7 November 2012 Hollow core photonic crystal fiber as a viscosity sensor
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Proceedings Volume 8421, OFS2012 22nd International Conference on Optical Fiber Sensors; 84216X (2012) https://doi.org/10.1117/12.968598
Event: OFS2012 22nd International Conference on Optical Fiber Sensor, 2012, Beijing, China
Abstract
Determining viscosity of nano-liter liquids is challenging, since most viscometers tend to use large volumes. We use short lengths of hollow-core photonic crystal fibres to determine the viscosity of small volumes of two types of monosaccharides diluted in a phosphate buffer solution. The simple optical technique used is based on the change in propagation characteristics of a laser beam travelling through the fibre as it fills with the nano-litre liquid of interest via capiliary action. The fiber length was kept in a temperature controlled casing, to minimize temperature differences across the fiber length for reproducibility and minimal error.
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Laura E. Horan and Fatima C. Garcia Gunning "Hollow core photonic crystal fiber as a viscosity sensor", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84216X (7 November 2012); https://doi.org/10.1117/12.968598
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